Your first point has been answered elsewhere.
Turning to your second point, try to imagine for a moment that you are someone concerned about animal welfare standards generally and in particular in the USA. Because of this you decide to avoid chicken imported from America. Can you tell me how...
I don't hate people with political opinions that differ from mine. I'll confess one thing though. I have an adamantine distaste for any individual who is so content with our already inadequate animal welfare standards that they don't give a flying fart when self-serving politicians claim to be...
We'll be all right. Bit fatter than our fellow Europeans perhaps, and all things being equal less healthy. But the animals? Ah yes, that's where the horrible deaths come in.